Well, I'm assuming using peerblock/other antip2p lists on private trackers won't do much good, since I would expect Torrentleech and any other private tracker to run the IPs of their members against these lists and promptly ban any matching accounts, which means anyone left in the site must be using an IP unknown to these blocking programs.
I think a better solution (in lieu of a seedbox, which I don't feel like paying for atm) is just to switch over to other trackers I'm a member of that have a far smaller userbase than TL, and thus less likely to attract the attention of/be infiltrated by MPAA-sponsored groups.

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